M Friesen

Plasma and dietary carotenoid, retinol and tocopherol levels and the risk of gastric adenocarcinomas in the European prospective investigation into cancer and nutrition

F Berrino, N Slimani, A Trichopoulou, 2006, British Journal of Cancer.

Tobacco-specific and betel nut-specific N-nitroso compounds: occurrence in saliva and urine of betel quid chewers and formation in vitro by nitrosation of betel quid.

H. Bartsch, H. Ohshima, J. Nair, 1985, Carcinogenesis.

Role of lime in the generation of reactive oxygen species from betel-quid ingredients.

H. Bartsch, G. Obe, G Obe, 1992, Environmental health perspectives.

Nitrotyrosine as a new marker for endogenous nitrosation and nitration of proteins.

H. Bartsch, H. Ohshima, H Bartsch, 1990, Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association.